The single most important challenge in health care is eliminating toxins from the body. Lymphatic functions include: transporting nutrients and oxygen to the cells and tissues, removing protein waste and other waste matter (including environmental toxins) from the cells and the body's interstitium (in between regions), maintaining fluid balance in the connective tissue, and transporting fatty acids from the small intestine to the liver for storage and later use, and not least important as a conduit for circulating immune cells.

When the lymphatic system becomes congested, these functions are impaired, depriving cells of oxygen and affecting the ability of the body to rid itself of its own waste material.

Over time, other body systems that rely on the lymphatic system for waste removal will also become compromised, setting the stage for pain and disease. A sure sign of lymph congestion is sore or swollen lymph glands, which are most noticeable in the neck, armpits, groin and intestines, but illness as wide ranging as allergies, fibrocystic disease and cancer can be related to lymph congestion.

The treatment itself is painless and contact free. During treatment the patient simply lies back in a comfortable chair for a couple of hours, reading or listening to music. The OAPD equipment is set up around the patient and switched on. It is rare for the patient to be aware of any sensation during treatment; a few report a very mild tingling and some feel a little tired afterwards.